/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.carbondata.core.carbon.datastore;

/**
 * Below Interface is to search a block
 */
public interface DataRefNodeFinder {

  /**
   * Below method will be used to get the first tentative block which matches with
   * the search key
   *
   * @param dataBlocks complete data blocks present
   * @param serachKey  key to be search
   * @return data block
   */
  DataRefNode findFirstDataBlock(DataRefNode dataBlocks, IndexKey searchKey);

  /**
   * Below method will be used to get the last tentative block which matches with
   * the search key
   *
   * @param dataBlocks complete data blocks present
   * @param serachKey  key to be search
   * @return data block
   */
  DataRefNode findLastDataBlock(DataRefNode dataBlocks, IndexKey searchKey);
}
